The 4‑Post Adjustable Depth Equipment Rack is a robust 19" panel‑mount solution designed for customer‑premise installations, featuring an open 4‑post aluminum frame with #12‑24 tapped hole extruded mounting rails that provide nearly 360° accessibility and unrestricted airflow. Built to the EIA/ECA‑310‑E standard with a universal 5/8"–5/8"–1/2" hole pattern, this rack offers flexible depth adjustment in 1" increments across ranges from 18" to 42" to accommodate diverse equipment requirements. Engineered for strength, it supports up to 2000lb. of evenly distributed load and includes permanently stamped RMU markings for easy equipment alignment. The rack assembles in approximately 20 minutes with standard tools, and its upper cross members come pre‑drilled for runway attachment. UL Listed to the UL60950 Standard (File No. E171936), it is constructed with durable aluminum uprights and steel cross and adjustment members for long‑lasting reliability.